Table Of Contents - Avaya ERS 2500 Series Troubleshooting Manual

Chapter 1: New in this release.................................................................................................5
Stacking............................................................................................................................................................5
Stacking licensing.............................................................................................................................................5
Stacking functionality and rear ports.................................................................................................................6
Stack Licensing - rear port mode.....................................................................................................................6
Power over Ethernet (POE) limitations.............................................................................................................7
Chapter 2: Introduction.............................................................................................................9
Chapter 3: Troubleshooting planning....................................................................................11
Chapter 4: Troubleshooting fundamentals...........................................................................13
Port mirroring..................................................................................................................................................13
Port mirroring limitations.........................................................................................................................13
Port mirroring commands.......................................................................................................................14
Port statistics...................................................................................................................................................14
System logs.....................................................................................................................................................14
Auto Unit Replacement (AUR)........................................................................................................................14
Avaya knowledge and solution engine............................................................................................................15
Chapter 5: General diagnostic tools......................................................................................17
ACLI command modes....................................................................................................................................17
Chapter 6: Initial troubleshooting..........................................................................................19
Gather information..........................................................................................................................................19
Chapter 7: Emergency recovery trees...................................................................................21
Emergency recovery trees..............................................................................................................................21
Corruption of flash...........................................................................................................................................21
Incorrect PVID.................................................................................................................................................22
Uplink ports not tagged to VLAN.....................................................................................................................23
SNMP..............................................................................................................................................................25
Stack...............................................................................................................................................................26
Chapter 8: Troubleshooting hardware...................................................................................29
Check power...................................................................................................................................................31
Check cables...................................................................................................................................................33
Check port.......................................................................................................................................................34
Check fiber port...............................................................................................................................................36
Replace unit....................................................................................................................................................38
Chapter 9: Troubleshooting ADAC........................................................................................43
IP phone is not detected.................................................................................................................................44
Correct filtering.......................................................................................................................................44
Reload ADAC MAC in range table.........................................................................................................46
Reduce LLDP devices............................................................................................................................47
Auto configuration is not applied.....................................................................................................................49
Correct auto configuration......................................................................................................................50
Check the status and number of devices...............................................................................................52
Troubleshooting
Contents
November 2010 3